对引种的湿加松示范林进行虫害监测调查，结果表明1hm2的湿加松示范林样地内有2种有害生物危害，即马尾松毛虫（发病株率86%）和桃蛀螟（发病......

Objective:To determine the biological effects of essential oils(EOs) isolated from Cymbopogon iiardus,Cymbopogon Jlexuos......